http://allmydata.org/source/tahoe/trunk/docs/about.html
Tahoe-LAFS v1.6.0 is the successor to v1.5.0, which was
-released August 1, 2009 [1]. This release includes major
+released August 1, 2009. This release includes major
performance improvements, usability improvements, and one major
new feature: deep-immutable directories (cryptographically
unalterable permanent snapshots). See the release notes for
compatible with Tahoe-LAFS v1.
In addition, version 1.6 improves forward-compatibility with
-planned future cap formats, allowing updates to a directory
-containing both current and future caps, without loss of
-information.
+planned future directory formats, allowing updates to a
+directory containing both current and future links, without
+loss of information.
LICENCE